Mikroanalytische untersuchungen zur Löslichkeit von Naturstoffen in überkritischem Kohlendioxid |
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| Authors: | Egon Stahl W Schilz |
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| Institution: | Pharmakognosie und Analytische Phytochemie der Universität des Saarlandes, D 6600 Saarbrücken, Bundesrepublik Deutschland |
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| Abstract: | The pressure-dependent solubility of some natural products in gaseous carbon dioxide compressed to pressures in the range 80–2000 bar has been examined with the help of a micro-extraction apparatus. The solubilities vary greatly from one compound to another, but always increase with pressure. There is a linear relationship between the logarithms of the solubility and of the density of the compressed gas. Besides pressure, the temperature also influences the solubility in carbon dioxide. |
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